potassium carbonate in acetone 48 h; Heating;

1: 47 percent / K2CO3 / acetone / 48 h / Heating 2: 42 percent / K2CO3 / acetone / 24 h / Heating View Scheme

potassium carbonate in N,N-dimethyl-formamide T=20°C; 40 h;

Stage #1: <b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '2037554', constants.ctx, '0')">sulfuric acid</a>;&nbsp;<a href="#" onclick="return RXDsubstances(event, this, '3587155', constants.ctx, '0')">water</a>;&nbsp;<a href="#" onclick="return RXDsubstances(event, this, '906771', constants.ctx, '0')">sodium nitrite</a> <br />T=0&deg;C;&nbsp;<br />Stage #2: <b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '2037554', constants.ctx, '0')">sulfuric acid</a> <br />T=160&deg;C;&nbsp;&nbsp;Further stages.;&nbsp;<br /> &nbsp;

<b>Multi-step reaction with 2 steps<br /> </b>1.1: 56 percent / 24 h / 150 &deg;C<br />2.1: NaNO₂; conc. H₂SO₄; H₂O / 0 &deg;C<br />2.2: 62 percent / aq. H₂SO₄ / 160 &deg;C<br /> <br /> &nbsp;